1. Open the "DOWNLOADER" app on your Amazon FireStick/TV
2. Download & Install the "IPTV4LESS" app from https://bit.ly/iptv4less
3. Enable the "Install Apps from Unknown Sources" in "Settings" >>> "Developer Options" on your Amazon FireStick/TV
4. Then Install, Open the app and enter your route number for Login and password
5. Enjoy!

How to enable the "Install Apps from Unknown Sources" in New FireTV devices